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Emerson 7ADTB User Manual

Operator’s manual

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381333–309

50 Hanover Road, Florham Park, New Jersey 07932–1591 USA

For sales or service call 1 800 800–2726 (ASCO) www.ascopower.com

ASCO POWER TECHNOLOGIES CANADA PO Box 1238, 17 Airport Road, Brantford, Ontario, Canada N3T 5T3

telephone 519 758–8450, fax 519 758–0876, for service call 1 888 234–2726 (ASCO) www.asco.ca

Operator’s

Manual

7000 Series 7ADTB

Automatic Delayed–Transition Transfer

& Bypass–Isolation Switches

J design 150 through 600 amp.

DANGER is used in this manual to warn of high

voltages capable of causing shock, burns, or death.

WARNING is used in this manual to warn

of possible personal injury.

CAUTION is used in this manual to warn

of possible equipment damage.

Refer to the outline and wiring drawings provided

with your 7000 Series ADTB for all installation and

connection details and accessories.

Refer to Group 5 Controller User’s Guide 381333–126

for ATS status display messages, time delays, pickup

& dropout settings, and adjustments.

An experienced licensed electrician must install the

7ADTB.

Rating Label

Each 7000 Series 7ADTB contains a rating label to

define the load and fault circuit withstand/closing

ratings. Refer to the label on the Transfer Switch for

specific values.

Do not exceed the values on the rating label.

Exceeding the rating can cause personal injury

or serious equipment damage.

TABLE OF CONTENTS

section-page

INSTALLATION
Mounting

1-1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power Connections

1-1

. . . . . . . . . . . . . . . . . . . .

Engine Starting & Auxiliary Circuits

1-2

. . . . . .

Functional Test

1-2, 1-3, 1-4

. . . . . . . . . . . . . . . . .

TESTING & SERVICE
Transfer Test

2-1

. . . . . . . . . . . . . . . . . . . . . . . . . .

Preventive Maintenance

2-1

. . . . . . . . . . . . . . . .

Disconnecting the Controller

2-1

. . . . . . . . . . . .

Manual Load Transfer

2-2

. . . . . . . . . . . . . . . . . .

Trouble-Shooting

2-2

. . . . . . . . . . . . . . . . . . . . . .

BYPASSING & ISOLATING
Bypassing the ATS

3-1, 3-2

. . . . . . . . . . . . . . . . .

Isolating the ATS

3-3, 3-4

. . . . . . . . . . . . . . . . . . .

Return to Service

3-5, 3-6, 3-7

. . . . . . . . . . . . . . .

INDEX

back cover

. . . . . . . . . . . . . . . . . . . . . . . . .